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Finding the Third Proportional to 80,287 and 122,525

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Solution

The third proportional to 80,287 and 122,525 is: 186,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,287 : 122,525 = 122,525 : x
  2. Step 2: Convert to fraction form
    80,287/122,525 = 122,525/x
  3. Step 3: Cross multiply
    80,287x = 122,525 × 122,525
  4. Step 4: Simplify right side
    80,287x = 15,012,375,625
  5. Step 5: Solve for x
    x = 15,012,375,625/80,287
  6. Step 6: Final answer
    x = 186,983.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.